pandora: defconfig: update

[pandora-kernel.git] / crypto / rng.c

diff --git a/crypto/rng.c b/crypto/rng.c
index 45229ae..1966c1d 100644 (file)
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -21,6 +21,8 @@
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
 
 static DEFINE_MUTEX(crypto_default_rng_lock);
 struct crypto_rng *crypto_default_rng;
@@ -58,6 +60,30 @@ static int crypto_init_rng_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
        return 0;
 }
 
+#ifdef CONFIG_NET
+static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+       struct crypto_report_rng rrng;
+
+       strncpy(rrng.type, "rng", sizeof(rrng.type));
+
+       rrng.seedsize = alg->cra_rng.seedsize;
+
+       NLA_PUT(skb, CRYPTOCFGA_REPORT_RNG,
+               sizeof(struct crypto_report_rng), &rrng);
+
+       return 0;
+
+nla_put_failure:
+       return -EMSGSIZE;
+}
+#else
+static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+       return -ENOSYS;
+}
+#endif
+
 static void crypto_rng_show(struct seq_file *m, struct crypto_alg *alg)
        __attribute__ ((unused));
 static void crypto_rng_show(struct seq_file *m, struct crypto_alg *alg)
@@ -78,6 +104,7 @@ const struct crypto_type crypto_rng_type = {
 #ifdef CONFIG_PROC_FS
        .show = crypto_rng_show,
 #endif
+       .report = crypto_rng_report,
 };
 EXPORT_SYMBOL_GPL(crypto_rng_type);